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Discussion Starter · #1 · (Edited)


SOLVED - FRONT SUSPENSION NOISE - AKA "The Squeak"
VW MK5 / MK6 PQ35 & PQ46


CC - Eos - Golf - GTI - Jetta - JSW - Passat - R32 - Rabbit - Tiguan

Solo Werks in conjunction with 034Motorsport is pleased to announce the release of the MK5 / MK6 Density Line Upper Strut Mounts.

Solo Werks has been working with 034Motorsport to solve the front suspension squeak that many of you are experiencing on your aftermarket suspension equipped VW MK5 / MK6 PQ35 & PQ46 vehicles.






$99.90 per Pair
Free Shipping for a limited time only!!!! (continental USA only! - see cart for details)
Optional OEM Bearings can be purchased at time of order - contact us for more information

Click Here to purchase directly from our website

Full details including video on this noise in the next post :thumbup:

Let us know if you have any questions.

Thanks!
Glen @ eurocollective
 

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Discussion Starter · #2 · (Edited)
SOLVED - FRONT SUSPENSION NOISE
VW MK5 / MK6 PQ35 & PQ46


History
Many of you will be aware of the long and colored history of VW/Audi’s top mounts/bushings, including the last version in the MK4 platform which was one of the more failure prone designs, and were most likely quite relieved when the new design was released.

The MK5/MK6 design is great in many ways in comparison to older versions, mainly due to fact that it takes the full weight of the vehicle onto the main body/strut tower surface upon which the bearing for the spring rotation sits, mounted to the shock tower of the vehicle. This eliminates past design failings of the inner cage of the rubber mount itself allowing the bearing to recede up and into the rubber rendering the bearing useless and creating coil bind as the shock/spring assembly rotates.

The only floating part of the design is attached to the shock absorber rod itself, which has only the force generated by the shock being applied to it, which is only a fraction of the weight of the vehicle on the bearing and the rest of the mount.

Current Issue
Customers have been reporting that during low speed movement of the suspension, such as:

  • Pulling out of a driveway
  • During slow driving on mildly rough surfaces


That a “medium to high pitched squeaking noise” is coming from the front suspension. Some report this only on one side, some both. Others have this only for the first few minutes of driving and then it disappears even over the same conditions as if something is "warming up". Others report it is a constant noise and does not dissipate.



VW MK5 / MK6 Suspension Noise Video

Click the image above to view the You Tube video that we had taken of a customer’s car with brand “R” coilovers with the original top mounts.

The customer had reported that the drivers side only had made this noise immediately after installation of the coilovers. Passenger side has never made noise.

Testing
Solo Werks has brought in a few Solo Werks coilovers kits that had reported the noise and performed installations and tests on new vehicles with these kits as well as suspension systems from other manufacturers. We have been able to replicate the findings of our customers on all tested systems on the same vehicle, with various mounts used at various heights.

For testing we have acquired new and used versions of OEM VW and Aftermarket Reproduction mounts and bearings from various companies as well as mounts that reported noises and others that reported no noise.

After our extensive research into the problem and comparison of samples of mounts that have reported noises vs. mounts that reported no noise, we have been able to isolate the sound to the inner portion of the mount creating friction on the rubber portion of the mount.



VW OEM Brochure on the New Mount Design




OEM mount split into its 3 core components

Mount Design

The factory mount design is made up of 3 main components (Above 2 images)

  • Main Triangular steel impregnated rubber mount
  • Upper Rod Mount Cup
  • Lower Rod Mount/Bump stop Mount Cup


After dissection of a squeaking mount and a non-squeaking mount, it appears that there are two differences:


  • The durometer of the rubber mount
  • The level of adhesion of the metal to the rubber during the assembly process (Figure 2 & 3)
.





The mount that did not squeak was not only a harder rubber durometer, but was also still adhered to the rubber when cut apart, whereas the noisy mount fell apart as if it was never adhered at all.

During subsequent deconstructions, measurements and discussions with OEM mount manufacturers, it has been discovered that many of the mounts were manufactured with lower durometer rubber , and the process was never intended to have the center cups vulcanized to the rubber. The crimp and friction level coupled with the inner canal design was to hold the center cup assembly in place.

Conclusion
When the higher forces of a performance suspension damper are applied to the center cup of the factory mount, the cup is moving inside the rubber mount creating the noise.

OEM dampers do not apply the same forces to the mount, and therefore does not create the noise.

Solution
034Motorsport was approached by Solo Werks to produce a Density Line mount for this platform to provide relief to the MK5/MK6 owners that are suffering from this annoying situation and we are proud to announce the availability of this solution to the marketplace.

The new Mount Design is not only constructed using harder durometer rubber, but is also Vulcanized so there is no cavities or ridges and therefore no movement other than the rubber itself flexing.


Cutaway of the current 034motorsports Density Line mount
 

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Think I will buy these. Although my noise is different, I plan to replace them just to eliminate this as my issue.
Does this include the bearing and bushing, or just the bushing?

And before anyone says it, yes I have already gone over my suspension to eliminate all the normal causes of the noise.
 

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Discussion Starter · #5 ·
Think I will buy these. Although my noise is different, I plan to replace them just to eliminate this as my issue.
Does this include the bearing and bushing, or just the bushing?

And before anyone says it, yes I have already gone over my suspension to eliminate all the normal causes of the noise.
The MK5/6 Chassis is lots of fun :(

This is only the mount, and you would need to either use your original bearing, or get a new one to go with it.

Unless you are having a coil bind issue (when you turn your suspension goes boing basically) then your bearing is fine.

Do you have any video or anything of the noises you are getting? Send me a PM or email if you do and I can see if we have any suggestions for you.

Thanks,
Glen @ AMI
 

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The MK5/6 Chassis is lots of fun :(

This is only the mount, and you would need to either use your original bearing, or get a new one to go with it.

Unless you are having a coil bind issue (when you turn your suspension goes boing basically) then your bearing is fine.

Do you have any video or anything of the noises you are getting? Send me a PM or email if you do and I can see if we have any suggestions for you.

Thanks,
Glen @ AMI
thanks for the help Glen, sent you a pm
 

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Discussion Starter · #9 ·
Hello Everyone,

These new parts are exact OEM replacement - no modification needed.

They also do not change your ride height at all :)

Thanks,
Glen @ AMI
 

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Discussion Starter · #11 ·
So is it hit or miss if you got the "bad" mounts?

I don't seem to have this problem, just curious
100% correct! We have not been able to find any positive correlation between vehicles or even manufacturers of the mounts (OEM vs Aftermarket).

It seems to run through the whole line of MK5/6 vehicles - hit or miss.

Thanks,
Glen @ AMI
 

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Discussion Starter · #13 ·
Thank you to everyone who sent in questions and the overwhelming amount of orders:thumbup:

It seems that the noise is more prevalent than we thought!

All orders that came in before noon pacific time today have been shipped, and tracking should be updated in the next hour!

Let us know if you have any questions.

Thanks,
Glen @ AMI :beer:
 

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Discussion Starter · #15 ·


It is not wise to upset Darth Kitty ;)

One more day until the weekend!


We are running a bit early today at the warehouse, so all orders that are in have been processed and are ready for UPS/FedEx pickup.

Don't forget that we can bundle in the Boeshield T-9 Anti Corrosion spray for your coilovers to any order to winter proof your setup!

Let us know if you have any questions!

Thanks,
Glen @ AMI
 

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Discussion Starter · #16 ·


Welcome to the Weekend - Time for some Fun!

Thanks to everyone who has sent in their questions and orders this week - All orders are filled and on their way to their new homes :)

We will be visiting the SEMA show in Las Vegas for the majority of next week, but not to worry you orders will still be filled and we will try to post up some VW content and any interesting new products as we find it on the show floor.

Thanks,
Glen @ AMI :beer::beer:
 

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Discussion Starter · #18 ·
Will def order this soon!

Will it solve the squeaking noise when i was pulling into parking spot at parking speed?
If it is the same noise as in the video then yes.

There are a few other issues that have been noted on the platform, so it could be the control arm bushings if it is not the upper mount.

Thanks,
Glen @ AMI
 

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Discussion Starter · #19 ·
Just a quick update from Solo Werks - the reviews have started coming in. This is directly from the Solo Werks website/webshop:

Product Reviews

VW MKVI Upper Strut Mount


Posted by Flip on 3rd Nov 2012

I was enduring the noise of my new coilovers when I heard about these. I ordered on a Monday afternoon and they arrived Wednesday. The shop that installed them did not think they would solve the noise problem. I was optomistic. Now they have been on for over a hundred miles and the ride is smooth and quiet. The steering felt more responsive as well. I recommend 034 Density Strut Mounts to those whose suspension is squeaking when going over bumps and knocking when steering.


Let us know if you have any questions :beer:

Glen @ AMI
 
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